“The flies have conquered the flypaper.”
Source: The Moon Is Down
Help us to complete the source, original and additional information
John Steinbeck 366
American writer 1902–1968Related quotes
Source: The Virtues of War: A Novel of Alexander the Great

“There may be flies on you and me, but there are no flies on Jesus.”

“Time flies like an arrow. Fruit flies like a banana.”
No known citation to Marx. First appears unattributed in mid-1960s logic/computing texts as an example of the difficulty of machine parsing of ambiguous statements. Google Books http://books.google.co.uk/books?client=firefox-a&lr=&as_brr=0&q=%22fruit-flies%22+%22time+flies%22+banana&btnG=Search+Books&as_drrb_is=b&as_minm_is=0&as_miny_is=1900&as_maxm_is=0&as_maxy_is=1970. The Yale Book of Quotations dates the attribution to Marx to a 9 July 1982 net.jokes post on Usenet.
Misattributed

“Science flies men to the moon, religion flies men into buildings.”
In The New Atheism: Taking a Stand for Science and Reason (2009), 59. As attributed on a web page using the quote as a title at web site of Richard Dawkins Foundation.
Variant: Science flies you to the moon. Religion flies you into buildings.

Attributed in Sholto Percy and Reuben Percy, The Percy Anecdotes (1826), Vol. 1, p. 55 http://books.google.com/books?id=5oJUAAAAYAAJ&pg=PA55

“Drink! The flies have not spoilt my vintage; the vines were dry before they came.”
Book VIII : Future Times
Penguin Island (1908)

“If you open a window for fresh air, you have to expect some flies to blow in.”
» Great Firewall of China Torfox, cs.stanford.edu, 2018-05-02 https://cs.stanford.edu/people/eroberts/cs201/projects/2010-11/FreedomOfInformationChina/category/great-firewall-of-china/index.html,